Asked by prabhjot
A train travel 20km at a uniform speed 60km/1hr and the next 20km at a uniform speed of 80km/1hr calculate its average speed
Answers
Answered by
bobpursley
avgspeed=distance/time
time= 20/60 + 20/80 hrs=1/3 + 1/4 hr
= 7/12 hr
distance=40 km
time= 20/60 + 20/80 hrs=1/3 + 1/4 hr
= 7/12 hr
distance=40 km
Answered by
Saumya
126
Answered by
Anonymous
68 . 57
Answered by
angel kothari
yes 68.57 is correct but i want the solution also
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